Portable Generator Backup Cost
What a safe portable setup really costs: interlock or inlet, cord, changeover hardware, fuel reserve, and an electrician.
Result
Cost per kW of backup power
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Fuel kept on hand
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Generator, connection, and cords
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Cost of everything except the generator
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Electrician labor
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Total backup cost
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Formula
Calculation logicWhat to check
- Panel brand and whether a listed interlock kit exists for it
- Generator inlet rating and cord gauge matching the load
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